// %BANNER_BEGIN%
// ---------------------------------------------------------------------
// %COPYRIGHT_BEGIN%
// Copyright (c) 2022-2023 Magic Leap, Inc. All Rights Reserved.
// Use of this file is governed by the Magic Leap 2 Software License Agreement, located here: https://www.magicleap.com/software-license-agreement-ml2  
// Terms and conditions applicable to third-party materials accompanying this distribution may also be found in the top-level NOTICE file appearing herein.
// %COPYRIGHT_END%
// ---------------------------------------------------------------------
// %BANNER_END%

using UnityEngine;
using System.Linq;

#if UNITY_EDITOR
using UnityEditor;
using UnityEditor.Compilation;
#endif

namespace MagicLeap.Spectator
{
    public class MLSpectatorVersion : ScriptableObject
    {
        [SerializeField]
        private string version;

        public string Version => version;

#if UNITY_EDITOR
        [InitializeOnLoadMethod]
        private static void Init()
        {
            CompilationPipeline.compilationFinished -= OnCompilationFinished;
            CompilationPipeline.compilationFinished += OnCompilationFinished;
        }

        private static void OnCompilationFinished(object obj)
        {
            var assembly = typeof(MLSpectatorVersion).Assembly;
            var packageInfo = UnityEditor.PackageManager.PackageInfo.FindForAssembly(assembly);
            var version = packageInfo.version;

            var guid = AssetDatabase.FindAssets($"t:{nameof(MLSpectatorVersion)}", new[] { packageInfo.assetPath }).FirstOrDefault();
            MLSpectatorVersion asset;

            if (!string.IsNullOrWhiteSpace(guid))
            {
                var path = AssetDatabase.GUIDToAssetPath(guid);
                asset = AssetDatabase.LoadAssetAtPath<MLSpectatorVersion>(path);
            }
            else
            {
                asset = CreateInstance<MLSpectatorVersion>();
                asset.name = nameof(MLSpectatorVersion);
                asset.hideFlags = HideFlags.NotEditable;
                AssetDatabase.CreateAsset(asset, $"{packageInfo.assetPath}/Runtime/Resources/Prefabs/{nameof(MLSpectatorVersion)}.asset");
            }

            asset.version = version;
            EditorUtility.SetDirty(asset);
        }
#endif
    }
}